20736692948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{103}}^1\times {\mathrm{761}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 39286403520

約数和(自身を除く): 18549710572

約数列:

[1, 2, 4, 19, 38, 59, 76, 103, 118, 206, 236, 412, 761, 1121, 1522, 1957, 2242, 3044, 3481, 3914, 4484, 6077, 6962, 7828, 12154, 13924, 14459, 24308, 28918, 44899, 57836, 66139, 78383, 89798, 115463, 132278, 156766, 179596, 230926, 264556, 313532, 358543, 461852, 717086, 853081, 1434172, 1489277, 1706162, 2649041, 2978554, 3412324, 4624597, 5298082, 5957108, 6812317, 9249194, 10596164, 13624634, 18498388, 27249268, 50331779, 87867343, 100663558, 175734686, 201327116, 272851223, 351469372, 545702446, 1091404892, 5184173237, 10368346474, 20736692948]

約数ペア:

[(1, 20736692948), (2, 10368346474), (4, 5184173237), (19, 1091404892), (38, 545702446), (59, 351469372), (76, 272851223), (103, 201327116), (118, 175734686), (206, 100663558), (236, 87867343), (412, 50331779), (761, 27249268), (1121, 18498388), (1522, 13624634), (1957, 10596164), (2242, 9249194), (3044, 6812317), (3481, 5957108), (3914, 5298082), (4484, 4624597), (6077, 3412324), (6962, 2978554), (7828, 2649041), (12154, 1706162), (13924, 1489277), (14459, 1434172), (24308, 853081), (28918, 717086), (44899, 461852), (57836, 358543), (66139, 313532), (78383, 264556), (89798, 230926), (115463, 179596), (132278, 156766)]